Tapered roller bearings 4T-748S/742
Bearing number : 4T-748S/742
Size (mm) : 76.2x150.089x44.45 Brand : NTN d (mm) : 76,2 D (mm) : 150,089 B (mm) : 44,45 Bearing dimensions and specification in brand catalogue : d - 76,2 mm D - 150,089 mm T - 44,45 mm B - 46,672 mm C - 36,512 mm ra1 max. - 3,3 mm a - 12 mm Da - 134 mm db - 87 mm ra max. - 3,5 mm da - 93 mm Db - 142 mm Weight - 3,66 Kg Basic dynamic load rating (C) - 261 kN Basic static load rating (C0) - 360 kN (Grease) Lubrication Speed - 2 400 r/min (Oil) Lubrication Speed - 3 200 r/min Calculation factor (e) - 0,33 Calculation factor (Y0) - 1,01 Calculation factor (Y2) - 1,84
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